body {        /*背景*/
    background-image: url('../images/3.jpg');
    background-size:cover;  /*裁切页面填充*/
    padding: 0;
    margin: 0;}
ul{
    list-style-type: none; /*清除无序列表前的小点*/
    width: auto;
    height: 60px;
    background: rgb(0,190,140);  /*深色*/
    margin: 0;
    padding-left: 30%;/*左边距，使li看起来在中间*/
    /*position: relative;*/
    text-align: center;
}
li a{
    float: left;
    width: 180px;
    height: 60px;
    padding: 0px;
    margin-right: 2%;  /*两个li之间的距离*/
    font-size: 30px;
    background-image:linear-gradient(to left,rgb(0,190,140),rgb(0,240,170) );
    color: #FFFFFF;
    text-align: center;
    text-decoration: none; /*去下划线*/
}


#buyerOrder th,
#buyerOrder td
{
    border: 3px solid rgb(0,190,140);
    text-align: center;
    text-decoration: none; /*去下划线*/
}
#buyerOrder{
    border-collapse: collapse; /*折叠边框*/
    left: 100px;
    width: 1000px;
    /*height: 400px;*/
    text-decoration: none; /*去下划线*/
}
#buyerOrder th{
    background-image: linear-gradient(rgb(0,190,140), rgb(0,240,170));
    color: white;
    text-decoration: none; /*去下划线*/
}
#buyerOrder tr
{
    height: 60px;
}
#buyerOrder td{
    background-color: rgb(255,255,255,0.3);
    text-decoration: none; /*去下划线*/
}

#buyerOrder2 table{ /*表格为块级元素不内连*/
    margin-left: 211px;
    margin-top: 70px;
    text-decoration: none; /*去下划线*/
}
#buyerOrder2 {
    animation: popIn 1.9s;
    text-decoration: none; /*去下划线*/
}

@keyframes popIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
img {
    height: 120px;
}
#first{
    width: 200px;
}
/*----------------------------------------------------------------------------------------*/
#buyerOrder3 th,
#buyerOrder3 td
{
    border: 3px solid rgb(0,190,140);
    text-align: center;
    text-decoration: none; /*去下划线*/
}
#buyerOrder3{
    border-collapse: collapse; /*折叠边框*/
    left: 100px;
    width: 1000px;
    /*height: 400px;*/
    text-decoration: none; /*去下划线*/
}
#buyerOrder3 th{
    background-image: linear-gradient(rgb(0,190,140), rgb(0,240,170));
    color: white;
    text-decoration: none; /*去下划线*/
    width: 90px;
}
#buyerOrder3 tr
{
    height: 60px;
}
#buyerOrder3 td{
    background-color: rgb(255,255,255,0.3);
    text-decoration: none; /*去下划线*/
}

#buyerOrder4 table{ /*表格为块级元素不内连*/
    margin-left: 211px;
    margin-top: 70px;
    text-decoration: none; /*去下划线*/
}
#buyerOrder4 {
    animation: popIn 1.9s;
    text-decoration: none; /*去下划线*/
}
button{
    margin-left: 1140px;
    font-size: 50px;
    margin-top: 10px;
    margin-bottom: 30px;

}
